Deluxe Wheeled Convertible Pack Along with the Sojourn the Meridian is the best; lightest; strongest and most technical wheeled backpack we have. Features a fully suspended height adjustable airmesh harness for total ventilation. For the traveler who enjoys deluxe features; the Meridian provides all. Same frame as the Sojourn but with a zip-off daypack. The main compartment is spacious with straps to prevent clothing migration; and a side mesh and side fabric pocket for organization. A large panel zip accesses the main compartment without removing the daypack. Underneath you’ll find a full mesh pocket for further organization; padded laptop sleeve; side water bottle pockets and top and backpanel entry. Zippered panel protects suspension laptop sleeve foam filled side walls sobag walls stay erect for easy packing; but folds flat for storage Retractable ergonomic handle Extra large polyurethane wheels with sealed bearings Curved high-clearance base Top and side carry handles Stowable harness cover and hipbelt with mesh vented backpanel and padded lumbar Main pack volume is 55 liters/3400 cubic inches; detachable daypack volume is 20 liters/1200 cubic inches Meridian Day volume is 19x12x6″ / 48x31x15 cm Updated Suspension Harness System The Meridian backpack suspension is far more refined and technical than what’s found on other convertible rollers. It is fully and easily adjustable for torso length. The trampoline mesh backpanel provides outstanding comfort and ventilation; while the spacer mesh covered hipbelt and shoulder straps cushion the load. A second slot in the mesh backpanel increases the adjustment range to cover torso lengths from 16 to 22 . As an added bonus; the shoulder strap and waistbelt assemblies are removable to free up extra packing space on trips where the won’t be needed. High Road Chassis frame All Osprey wheeled travel packs utilize Osprey s proprietary High Road Chassis featuring an ergonomic retractable handle with integrated vent fins; a 6001 Aluminum frame; ultra-durable and light-weight composite base with a fiberglass matrix inlay and integrated foot/grab handle; over-sized high traction polyurethane wheels with sealed bearings and a high clearance design.